After the second half of the 19th century the inhabitants increased because of workers caming to Senftenberg in order to work in the coal mines. After the German Reunion many inhabitants moved to the western part of Germany.
Developing of the number of inhabitants in Senftenberg from 1300 to 2007[1][2]
^Werner Forkert: Senftenberger Rückblicke Interessantes aus der Senftenberger Geschichte. Herausgeber Buchhandlung „Glück Auf", 2006. (for data before the year 1875)